Active Last verified: Apr 25, 2026

California Newspapers Partnership v. Microsoft Corporation

California Newspapers Partnership and eight other newspaper publishers allege that Microsoft and OpenAI used their copyrighted articles to train AI models without permission or compensation, seeking at least $10 billion in damages.[1][5] The plaintiffs assert copyright infringement claims under the Copyright Act, with the case consolidated under Judge Sidney Stein with related newspaper copyright litigation against the defendants.[2][3][4] The case is part of a broader wave of copyright litigation against AI companies, with over 60 copyright suits filed against AI developers as of the complaint date.[2]

🏛️ SDNY· Case No. 1:25-cv-09904· Filed Nov 26, 2025

Summary

California Newspapers Partnership and eight other newspaper publishers allege that Microsoft and OpenAI used their copyrighted articles to train AI models without permission or compensation, seeking at least $10 billion in damages.[1][5] The plaintiffs assert copyright infringement claims under the Copyright Act, with the case consolidated under Judge Sidney Stein with related newspaper copyright litigation against the defendants.[2][3][4] The case is part of a broader wave of copyright litigation against AI companies, with over 60 copyright suits filed against AI developers as of the complaint date.[2]

Case details

Court
SDNY
Docket number
1:25-cv-09904
Filed
Nov 26, 2025
Status
Active

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